Messages in this thread Patch in this message | | | From | Stephane Eranian <> | Date | Wed, 17 Mar 2010 15:11:01 +0200 | Subject | [PATCH] perf: fix stat attach bogus counts |
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When perf stat -p pid is used, the events must be enabled immediately as there is no exec and thus no enable_on_exec.
Signed-off-by: Stephane Eranian <eranian@google.com>
-- builtin-stat.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 95db31c..3a91fad 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -159,8 +159,10 @@ static void create_perf_stat_counter(int counter, int pid) } } else { attr->inherit = inherit; - attr->disabled = 1; - attr->enable_on_exec = 1; + if (target_pid == -1) { + attr->disabled = 1; + attr->enable_on_exec = 1; + } fd[0][counter] = sys_perf_event_open(attr, pid, -1, -1, 0); if (fd[0][counter] < 0 && verbose)
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